Medium severity · published Aug 18, 2026
CVE-2026-73834
Must-gather: must-gather: embedded secret data in acm wrapper crs collected without redaction
5.5
CVSS
0.1%
EPSS
No
On KEV
Description
A flaw was found in the must-gather component of Red Hat Advanced Cluster Management for Kubernetes. Certain ACM wrapper Custom Resources that embed Secret data are collected without redaction. When an administrator runs must-gather, credentials and tokens are captured in cleartext in the resulting archive, potentially exposing sensitive information to anyone with access to the archive.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat Advanced Cluster Management for Kubernetes 2.11 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Advanced Cluster Management for Kubernetes 2.13 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Advanced Cluster Management for Kubernetes 2.14 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Advanced Cluster Management for Kubernetes 2.15 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Advanced Cluster Management for Kubernetes 2.16 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Advanced Cluster Management for Kubernetes 2.17 · Red Hat
All versions, or not specified · source: vendor
Affected product
RH
Red Hat Advanced Cluster Management for Kubernetes 2.11
Red Hat
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-73834
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-73834
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:60386
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:60387
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:60388
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:60389
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:60390
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:60391
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